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33 Possible Causes for Ejection Fraction Decreased, Short PR Interval, Sudden Cardiac Death

  • Acute Myocardial Infarction

    Crossref PubMed Virmani R, Burke AP, Farb A, Sudden cardiac death, Cardiovasc Pathol, 2001;10:275–82.[uscjournal.com] Bedside echocardiography disclosed akinesis of the anterior and lateral walls, apex, and anterior septum with severely decreased left ventricular ejection fraction of 30%.[ncbi.nlm.nih.gov] cardiac death may occur.[ncbi.nlm.nih.gov]

  • Myocardial Infarction

    Sudden cardiac death (SCD) is a severe burden of modern medicine.[ncbi.nlm.nih.gov] After start of the GFD, abnormal left ventricular dimensions, and diminished cardiac function, including decreased ejection fraction, can improve markedly and may even be[dx.doi.org] Primary outcomes Sudden cardiac death.[doi.org]

  • Hypertrophic Cardiomyopathy

    The disease affects at least 0.2% of the population worldwide and is the most common cause of sudden cardiac death in young people and competitive athletes because of fatal[ncbi.nlm.nih.gov] ejection fraction to presence of left ventricular apical aneurysms Cardiac MRI has a role in asymptomatic HCM mutation carriers by identifying phenotypic markers of HCM in[radiopaedia.org] PR interval ( First-degree (PR 0.21 s, not shortening with hyperventilation), second-degree, or third-degree atrioventricular block To assess whether the changing pattern[doi.org]

  • Barth Syndrome

    Ventricular arrhythmia, especially during adolescence, can lead to sudden cardiac death. There is a significant risk of stroke.[orpha.net] fraction z-score decreases on average by 0.6.[ncbi.nlm.nih.gov] A recent electrocardiogram (ECG) was essentially unremarkable ( Figure 1 ), showing in sinus rhythm a slightly short PR interval (0.12 ms), and mildly high voltage QRS, in[revespcardiol.org]

  • Ebstein Malformation

    Sudden cardiac death.[patient.info] The classic WPW ECG pattern consists of : A short PR interval (rapid AV conduction through the accessory pathway) Delta wave (initial slow ventricular activation due to fiber[pedclerk.bsd.uchicago.edu] Note the short PR interval, delta wave, and wide QRS complex.[doi.org]

  • Fabry Disease

    […] with increased risk of sudden cardiac death.[ncbi.nlm.nih.gov] In 2004, echocardiography showed a moderate reduction in LV contractility (ejection fraction, 42%).[circ.ahajournals.org] PR interval) Arrhythmias, hypertrophic cardiomyopathy (young adults) Red-purple, non-blanching vascular skin lesions.[ncbi.nlm.nih.gov]

  • Cardiac Arrest

    Sudden cardiac death (SCD) is a sudden, unexpected death caused by a change in heart rhythm ( sudden cardiac arrest ).[webmd.com] Using implantable defibrillators in high risk patients, especially those with markedly decreased ejection fractions can reduce the incidence of sudden cardiac arrest.[medicinenet.com] interval may identify a subgroup of patients with LV dysfunction, some of whom may benefit from dual-chamber pacing with a short(er) AV delay. 72 These same principles also[circ.ahajournals.org]

  • Hyperthyroidism

    Vasospastic angina (VSA) has been recognized as a cause of ventricular fibrillation (VF) degenerating into sudden cardiac death.[ncbi.nlm.nih.gov] […] the levothyroxine dose normalized the heart rate and resulted in a nonsignificant reduction in LV ejection fraction, 75 whereas β-blockers decreased atrial premature beats[doi.org] […] hyperthyroidism facilitates spontaneous reversion or cardioversion of atrial fibrillation to normal sinus rhythm. 92 Among patients with exogenous subclinical hyperthyroidism, decreasing[doi.org]

  • Nonsustained Ventricular Tachycardia

    […] arrest and sudden death–and yet it has not. 1–2 Sudden cardiac death (SCD), which is responsible for between 184 000 and 450 000 deaths in the United States per year, 3–6[circ.ahajournals.org] fraction 40% in their history.[ncbi.nlm.nih.gov] The underlying rhythm is sinus, with a remarkably long PR interval, and at least one episode of failure of the P wave to conduct, making "second-degree AV block, Type II"[ecgguru.com]

  • Sudden Cardiac Death

    Sudden cardiac death (also called sudden arrest) is death resulting from an abrupt loss of heart function (cardiac arrest).[web.archive.org] fraction decreases below 35%. 63 Thus, if the patients’ ejection fraction was closer to 35%, these older patients may derive less or no benefit.[doi.org] Note the short PR interval. %80%93White_syndrome Exercise-induced ventricular ectopy Prolonged QT - high risk for ventricular arrhythmia (torsades de pointes) Jervell-Lange-Nielsen[pedclerk.bsd.uchicago.edu]

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